释义 |
electron telescope
electron telescope n (Astronomy) an astronomical telescope with an attachment for converting the infrared radiation emitted from the surface of planets into a visible image electron telescope
electron telescope[i′lek‚trän ′tel·ə‚skōp] (electronics) A telescope in which an infrared image of a distant object is focused on the photosensitive cathode of an image converter tube; the resulting electron image is enlarged by electron lenses and made visible by a fluorescent screen. |